(19)
(11) EP 0 652 023 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.06.1995 Bulletin 1995/23

(43) Date of publication A2:
10.05.1995 Bulletin 1995/19

(21) Application number: 94306641.5

(22) Date of filing: 09.09.1994
(51) International Patent Classification (IPC)6A61M 25/00
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI LU NL PT SE

(30) Priority: 10.09.1993 US 120109

(71) Applicant: CRITIKON, INC.
Tampa Florida 33634 (US)

(72) Inventors:
  • Sloane, Thomas Edison
    West Redding, CT-06896 (US)
  • Altman, Zinovy
    Bristol, CT 06010 (US)

(74) Representative: Mercer, Christopher Paul et al
Carpmaels & Ransford 43, Bloomsbury Square
London WC1A 2RA
London WC1A 2RA (GB)


(56) References cited: : 
   
       


    (54) Catheter needle having surface indication thereon and process for forming such catheter.


    (57) A catheter assembly comprises:
       an insertion needle having a sharpened point and a passage defined therein;
    a catheter having a hub and a distal portion of tubular material disposed over said needle and ending in a distal tip;
       said needle having a surface finish of a first visual quality over a major portion thereof and a second visual characteristic immediately adjacent the distal tip of said catheter indicating the tip of the catheter on the surface of the needle.







    Search report